<template>
  <div>
    <p></p>
    <button @click="myFn">按钮</button>
  </div>
</template>


<script>
import { ref } from "vue";
import { reactive } from "vue";
export default {
  name: "App",
  setup() {
    function myFn() {}
    return { state, myFn };
  }
};
</script>
